“It cannot be described, this awesome chain of events that depopulated the whole Earth; the range is too tremendous for any to picture of encompass. Of the people of Earth's unfortunate ages, billions of years before, only a few prophets and madman could have conceived that which was to come - could have grasped visions of the still, dead lands, and long-empty sea-beds. The rest would have doubted... doubted alike the shadow of change upon the planet and the shadow of doom upon the race. For man has always thought himself the immortal master of natural things...”